Question

What is the least common denominator of 2/3 and 5/7?

Answer 1

21

Explanation:

The answer is 21, you can convert both fractions to match the new denominator, so
`14/21 + 15/21 = 29/21 or 1 8/21`
`15/21 - 14/21 = 1/21`
`14/21 xx 15/21 = 10/21`
`14/21 -: 15/21 = 14/15`